In-tank toilet bowl cleaning device



FIG. 1 is a front elevational view of a in-tank toilet bowl cleaningdevice embodying my new design;

FIG. 2 is a right side elevational view of the in-tank toilet bowlcleaning device;

FIG. 3 is a left side elevational view of the in-tank toilet bowlcleaning device;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof; and

FIG. 6 is a rear view thereof.

The ornamental design for an in-tank toilet bowl cleaning device, asshown and described.